Why Choose the Mersen G300225 Protistor® High Speed Fuse?
The Mersen G300225 is a genuine Protistor® Size 33 aR high speed semiconductor fuse engineered to provide advanced protection for modern power electronic equipment. Designed for demanding industrial applications, this square body fuse delivers ultra-fast fault interruption to safeguard sensitive semiconductor devices including IGBTs, thyristors and diodes from damaging short circuit conditions.
With a 1100 A current rating and a 690 V AC IEC / 700 V AC UL voltage rating, the G300225 is ideally suited for industrial drives, power converters, UPS systems and renewable energy installations. Its aR ultra-fast operating characteristic helps minimise let-through energy, reducing equipment damage while improving system reliability.
Supplied under manufacturer part number G300225 and catalogue number PC33UD69V1100EF, this fuse features open slot blade terminals with an integrated striker for convenient status indication and maintenance. Silver-plated contact surfaces and high interrupting capacity make it suitable for demanding industrial environments.
Key Advantages
- Genuine Mersen Protistor® high speed semiconductor fuse.
- 1100 A current rating for high-power industrial applications.
- 690 V AC IEC / 700 V AC UL rated operation.
- Ultra-fast aR characteristic for semiconductor protection.
- Open slot blade terminals with integrated striker.
- Designed to minimise equipment damage and reduce costly downtime.
Key Features
- Mersen Protistor® Size 33 series.
- Model G300225.
- Catalogue number PC33UD69V1100EF.
- 1100 A rated current.
- 690 V AC IEC / 700 V AC UL.
- Square body fuse with open slot blade terminals.
- Integrated striker indication.
- Silver-plated contacts for dependable long-term performance.
Reliable Protection for Power Electronics
High speed semiconductor fuses are specifically designed to protect sensitive electronic power devices that require extremely rapid fault interruption. Their low let-through energy helps safeguard expensive semiconductor assemblies while maintaining reliable system operation and reducing maintenance costs.
The Mersen Protistor® range is widely specified in industrial automation, motor drives, renewable energy systems, UPS equipment and power conversion applications where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial inverters.
- UPS systems.
- Motor drives and soft starters.
- Renewable energy converters.
- Industrial power conversion equipment.
